1427719201 has 2 divisors, whose sum is σ = 1427719202. Its totient is φ = 1427719200.

The previous prime is 1427719187. The next prime is 1427719219. The reversal of 1427719201 is 1029177241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1283358976 + 144360225 = 35824^2 + 12015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427719201 - 2¹³ = 1427711009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427719231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713859600 + 713859601.

It is an arithmetic number, because the mean of its divisors is an integer number (713859601).

Almost surely, 2^1427719201 is an apocalyptic number.

It is an amenable number.

1427719201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427719201 is an equidigital number, since it uses as much as digits as its factorization.

1427719201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1427719201 is about 37785.1717079597. The cubic root of 1427719201 is about 1126.0238780117.

The spelling of 1427719201 in words is "one billion, four hundred twenty-seven million, seven hundred nineteen thousand, two hundred one".